Mathematics
Results 4241 - 4280 of 4486
Mathematics
Hardcover. 'Oxford Logic Guide provides comprehensive coverage of a new research area in algebra and model theory. Model theoretical and group theoretical notions are explained in detail, and almost all the known results in the area are included. Aimed at the needs of the graduate student, there are many exercises (with hints) and carefully chosen examples. Series: Oxford Logic Guides. Num Pages: 426 pages, bibliography. BIC Classification: PBCD; PBG. Category: (P) Professional & Vocational. Dimension: 241 x 162 x 28. Weight in Grams: 750.
- Format
- Hardback
- Publication date
- 1994
- Publisher
- Oxford University Press United Kingdom
- Number of pages
- 426
- Condition
- New
- Edition
- Illustrated
- SKU
- V9780198534457
- ISBN
- 9780198534457
Hardback
Condition: New
€ 252.47
€ 252.47
Hardcover. The purpose of this work is to provide a unified treatment of both the theory and practice of factor analysis and latent variables models. Series: Wiley Series in Probability and Statistics. Num Pages: 768 pages, Ill. BIC Classification: PBT. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 238 x 164 x 48. Weight in Grams: 1256.
- Format
- Hardback
- Publication date
- 1994
- Publisher
- John Wiley & Sons Inc United States
- Edition
- 1st Edition
- Number of pages
- 768
- Condition
- New
- SKU
- V9780471570820
- ISBN
- 9780471570820
Hardback
Condition: New
€ 220.39
€ 220.39
Paperback. Series: MSRI Mathematical Circles Library. Num Pages: 232 pages. BIC Classification: PBM; YQM. Category: (P) Professional & Vocational. Dimension: 211 x 326 x 14. Weight in Grams: 416.
- Publisher
- American Mathematical Society
- Format
- Paperback
- Publication date
- 2016
- Condition
- New
- SKU
- V9781470419219
- ISBN
- 9781470419219
Paperback
Condition: New
€ 51.27
€ 51.27
Paperback. Theory of Linear and Integer Programming Alexander Schrijver Centrum voor Wiskunde en Informatica, Amsterdam, The Netherlands This book describes the theory of linear and integer programming and surveys the algorithms for linear and integer programming problems, focusing on complexity analysis. Series: Wiley Series in Discrete Mathematics and Optimization. Num Pages: 484 pages, black & white illustrations. BIC Classification: PBUH; PBW. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 229 x 153 x 30. Weight in Grams: 718.
- Format
- Paperback
- Publication date
- 1998
- Publisher
- John Wiley & Sons Inc United Kingdom
- Number of pages
- 484
- Condition
- New
- SKU
- V9780471982326
- ISBN
- 9780471982326
Paperback
Condition: New
€ 137.39
€ 137.39
Paperback.
- Format
- Paperback
- Publication date
- 2009
- Publisher
- Society for Industrial & Applied Mathematics,U.S. United States
- Number of pages
- 228
- Condition
- New
- SKU
- V9780898716788
- ISBN
- 9780898716788
Paperback
Condition: New
€ 148.79
€ 148.79
Hardcover. The Yangians and twisted Yangians are remarkable associative algebras taking their origins from the work of St Petersburg's school of mathematical physics in the 1980s. The book gives an introduction to the theory of Yangians and twisted Yangians, with a particular emphasis on the relationship with the classical matrix Lie algebras. Series: Mathematical Surveys and Monographs. Num Pages: 400 pages. BIC Classification: PBF; PBV; PBW; PHQ. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 262 x 183 x 26. Weight in Grams: 890.
- Format
- Hardback
- Publication date
- 2007
- Publisher
- American Mathematical Society
- Condition
- New
- SKU
- V9780821843741
- ISBN
- 9780821843741
Hardback
Condition: New
€ 181.02
€ 181.02
Hardcover. Num Pages: 121 pages. BIC Classification: PBKF. Category: (P) Professional & Vocational. Dimension: 267 x 186 x 16. Weight in Grams: 498.
- Format
- Hardback
- Publication date
- 2011
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 121
- Condition
- New
- SKU
- V9781606928868
- ISBN
- 9781606928868
Hardback
Condition: New
€ 223.83€ 152.35
€ 223.83
€ 152.35
Hardback. During the 1920s and 30s philosophers and mathematicians attempted to clarify the nature of mathematics, their legacy consists of three programs. This text aims to provide an introduction to these programs by describing and investigating their philosophical and mathematical components. Num Pages: 240 pages, 4. BIC Classification: PBB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 237 x 159 x 22. Weight in Grams: 474.
- Format
- Hardback
- Publication date
- 2001
- Publisher
- John Wiley and Sons Ltd United Kingdom
- Edition
- 1st Edition
- Number of pages
- 240
- Condition
- New
- SKU
- V9780631195436
- ISBN
- 9780631195436
Hardback
Condition: New
€ 177.52
€ 177.52
Hardback. Series: Graduates Studies in Mathematics. Num Pages: 295 pages, illustrations. BIC Classification: PBF; PBG; PBMW. Category: (G) General (US: Trade). Dimension: 264 x 189 x 20. Weight in Grams: 706.
- Publisher
- American Mathematical Society
- Format
- Hardback
- Publication date
- 2016
- Condition
- New
- SKU
- V9781470423070
- ISBN
- 9781470423070
Hardback
Condition: New
€ 189.05
€ 189.05
Hardcover. With meta-analysis methods playing a crucial role in health research in recent years, this important and clearly-written book provides a much-needed survey of the field. Meta-analysis provides a framework for combining the results of several clinical trials and drawing inferences about the effectiveness of medical treatments. Series: Wiley Series in Probability & Statistics: Applied Probability & Statistics Section. Num Pages: 346 pages, appendix. BIC Classification: MBGR; MBNS; PBK; PBT. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (XV) Technical / Manuals. Dimension: 243 x 170 x 24. Weight in Grams: 662.
- Format
- Hardback
- Publication date
- 2000
- Publisher
- John Wiley and Sons Ltd United Kingdom
- Edition
- 1st Edition
- Number of pages
- 346
- Condition
- New
- SKU
- V9780471490661
- ISBN
- 9780471490661
Hardback
Condition: New
€ 169.81
€ 169.81
Hardback. From the pyramids and the Parthenon to the Sydney Opera House and the Bilbao Guggenheim, this book takes readers on a tour of the mathematics behind some of the world's most spectacular buildings. It explores the elementary mathematics that enlivens the understanding of these buildings. Num Pages: 336 pages, 16 color illus. 111 halftones. 233 line illus. 2 tables. BIC Classification: AM; PBM; PDZM. Category: (P) Professional & Vocational; (U) Tertiary Education (US: College). Dimension: 247 x 221 x 25. Weight in Grams: 1046.
- Format
- Hardback
- Publication date
- 2012
- Publisher
- Princeton University Press
- Edition
- Edition Unstated
- Number of pages
- 348
- Condition
- New
- SKU
- V9780691145204
- ISBN
- 9780691145204
Hardback
Condition: New
€ 80.87
€ 80.87
Hardback. Calculus in Context is a compelling exploration-for students and instructors alike-of a discipline that is both rich in conceptual beauty and broad in its applied relevance. Num Pages: 712 pages, 645, 645 black & white line drawings. BIC Classification: PBJ; PBKA; PBW; PBX. Category: (P) Professional & Vocational. Dimension: 254 x 178 x 46. .
- Publisher
- Johns Hopkins University Press
- Format
- Hardback
- Publication date
- 2017
- Condition
- New
- SKU
- V9781421422305
- ISBN
- 9781421422305
Hardback
Condition: New
€ 105.30
€ 105.30
Paperback. Develops a systematic general approach to the proof of ergodic theorems for a large class of non-amenable locally compact groups and their lattice subgroups. This book formulates simple general conditions on the spectral theory of the group and the regularity of the averaging sets, which suffice to guarantee convergence to the ergodic mean. Series: Annals of Mathematics Studies. Num Pages: 160 pages, 2 line illus. BIC Classification: PBG; PBH. Category: (P) Professional & Vocational; (U) Tertiary Education (US: College). Dimension: 229 x 152 x 13. Weight in Grams: 199.
- Format
- Paperback
- Publication date
- 2009
- Publisher
- Princeton University Press United States
- Number of pages
- 136
- Condition
- New
- SKU
- V9780691141855
- ISBN
- 9780691141855
Paperback
Condition: New
€ 80.17
€ 80.17
Paperback. During the 1920s and 30s philosophers and mathematicians attempted to clarify the nature of mathematics, their legacy consists of three programs. This text aims to provide an introduction to these programs by describing and investigating their philosophical and mathematical components. Num Pages: 240 pages, 4 illustrations. BIC Classification: PBB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 229 x 157 x 18. Weight in Grams: 368.
- Publisher
- John Wiley and Sons Ltd United Kingdom
- Number of pages
- 240
- Format
- Paperback
- Publication date
- 2001
- Edition
- 1st Edition
- Condition
- New
- SKU
- V9780631195443
- ISBN
- 9780631195443
Paperback
Condition: New
€ 62.07
€ 62.07
Hardcover. Dynamical Systems Method (DSM) is a powerful general method for solving operator equations. These equations can be linear or nonlinear, well-posed or ill-posed. The book presents a systematic development of the DSM, and theoretical results are illustrated by a number of numerical examples, which are of independent interest. Num Pages: 576 pages, Illustrations. BIC Classification: PBKJ; TJ. Category: (P) Professional & Vocational. Dimension: 243 x 162 x 34. Weight in Grams: 942.
- Format
- Hardback
- Publication date
- 2012
- Publisher
- John Wiley & Sons Inc United States
- Edition
- 1st Edition
- Number of pages
- 576
- Condition
- New
- SKU
- V9781118024287
- ISBN
- 9781118024287
Hardback
Condition: New
€ 210.03
€ 210.03
Paperback. Editor(s): Apelblat, Alexander. Num Pages: 223 pages. BIC Classification: PBKF. Category: (P) Professional & Vocational. Dimension: 227 x 152 x 14. Weight in Grams: 350.
- Format
- Paperback
- Publication date
- 2010
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 223
- Condition
- New
- SKU
- V9781616683627
- ISBN
- 9781616683627
Paperback
Condition: New
€ 72.65€ 50.67
€ 72.65
€ 50.67
Hardcover. Num Pages: 360 pages, tables & charts. BIC Classification: PBKF; PBKL. Category: (UP) Postgraduate, Research & Scholarly. Dimension: 263 x 187 x 29. Weight in Grams: 934.
- Format
- Hardback
- Publication date
- 2013
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 360
- Condition
- New
- SKU
- V9781604561692
- ISBN
- 9781604561692
Hardback
Condition: New
€ 114.84€ 79.86
€ 114.84
€ 79.86
Paperback. .
- Publisher
- No Starch Press
- Format
- Paperback
- Publication date
- 2015
- Edition
- 1st Edition
- Condition
- New
- SKU
- V9781593276201
- ISBN
- 9781593276201
Paperback
Condition: New
€ 25.99€ 23.65
€ 25.99
€ 23.65
Paperback. Based on a capstone course that the author taught to upper division undergraduate students with the goal to explain and visualize the connections between different areas of mathematics and the way different subject matters flow from one another, this book is suitable for those with a basic knowledge of high school mathematics. Series: Student Mathematical Library. Num Pages: 136 pages, Illustrations. BIC Classification: PBH; PBKD; PBKL; PBMH; PBV. Category: (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 216 x 137 x 8. Weight in Grams: 194.
- Format
- Paperback
- Publication date
- 2007
- Publisher
- American Mathematical Society
- Number of pages
- 136
- Condition
- New
- SKU
- V9780821843970
- ISBN
- 9780821843970
Paperback
Condition: New
€ 85.31
€ 85.31
Paperback. Designed for a one year version of the course covering material that includes functions, limits, derivatives, integrals, an introduction to multi variable calculus, and trigonometric functions, this book and manual features real life applications. The student solutions manual provides complete solutions to each odd exercise in the text. Num Pages: 288 pages, black & white illustrations. BIC Classification: PBKA. Category: (P) Professional & Vocational. Dimension: 256 x 204 x 15. Weight in Grams: 562.
- Format
- Paperback
- Publication date
- 2003
- Publisher
- John Wiley and Sons Ltd United States
- Edition
- 1st Edition
- Number of pages
- 288
- Condition
- New
- SKU
- V9780471266396
- ISBN
- 9780471266396
Paperback
Condition: New
€ 112.77
€ 112.77
Spectral Geometry (Proceedings of Symposia in Pure Mathematics)
Alex H. Barnett, Carolyn S. Gordon, Peter A. ...
Hardcover. Editor(s): Gordon, Carolyn S.; Perry, Peter A.; Barnett, Alex; Uribe, Alejandro. Num Pages: 337 pages, illustrations. BIC Classification: PBK. Category: (G) General (US: Trade). Dimension: 254 x 178. .
- Format
- Hardback
- Publication date
- 2012
- Publisher
- American Mathematical Society
- Number of pages
- 337
- Condition
- New
- SKU
- V9780821853191
- ISBN
- 9780821853191
Hardback
Condition: New
€ 193.73
€ 193.73
Hardback. This book presents an introduction to MCDA with chapters describing in detail each of the leading methods used in this field. Comparison of methods and software is also featured to enable readers to choose the most appropriate method needed in their research. Case studies are included throughout. Num Pages: 310 pages, Illustrations. BIC Classification: KJM; PBW. Category: (P) Professional & Vocational. Dimension: 236 x 159 x 20. Weight in Grams: 528.
- Format
- Hardback
- Publication date
- 2013
- Publisher
- John Wiley & Sons Inc United States
- Edition
- 1st Edition
- Number of pages
- 310
- Condition
- New
- SKU
- V9781119974079
- ISBN
- 9781119974079
Hardback
Condition: New
€ 128.13
€ 128.13
Integral Geometry and Valuations (Advanced Courses in Mathematics - CR...
Alesker, Semyon, Fu, Joseph H.G.
Paperback. Editor(s): Gallego, Eduardo; Solanes, Gil. Series: Advanced Courses in Mathematics - CRM Barcelona. Num Pages: 112 pages, biography. BIC Classification: PBMP; PBMW. Category: (P) Professional & Vocational. Dimension: 241 x 171 x 5. Weight in Grams: 266.
- Format
- Paperback
- Publication date
- 2014
- Publisher
- Birkhäuser
- Edition
- 2014th Edition
- Condition
- New
- SKU
- V9783034808736
- ISBN
- 9783034808736
Paperback
Condition: New
€ 42.23
€ 42.23
Paperback. Offers an introduction to asset pricing, optimal portfolio selection, risk measurement, and investment evaluation. This title includes research in the area of incomplete markets and unhedgeable risks, and a chapter on finite difference methods. It integrates detailed examples and MATLAB codes. Num Pages: 416 pages, Illustrations. BIC Classification: KF; KJQ; PBW. Category: (P) Professional & Vocational; (U) Tertiary Education (US: College). Dimension: 233 x 155 x 25. Weight in Grams: 622.
- Publisher
- Princeton University Press
- Number of pages
- 416
- Format
- Paperback
- Publication date
- 2009
- Edition
- Second
- Condition
- New
- SKU
- V9780691141213
- ISBN
- 9780691141213
Paperback
Condition: New
€ 134.08
€ 134.08
Hardback. Features an artificial intelligence-based system for individualized math learning over the World Wide Web. This work delivers precise assessments of your math knowledge, guides you in the selection of appropriate new study material, and records your progress toward mastery of goals. It focuses on what you are ready to learn next. Num Pages: 496 pages. BIC Classification: PB. Category: (U) Tertiary Education (US: College). Dimension: 235 x 186 x 2. Weight in Grams: 80.
- Format
- Hardback
- Publication date
- 2001
- Publisher
- McGraw-Hill Education - Europe United States
- Number of pages
- 496
- Condition
- New
- SKU
- V9780072435481
- ISBN
- 9780072435481
Hardback
Condition: New
€ 156.35
€ 156.35
Hardcover. Series: Mathematical Surveys and Monographs. Num Pages: 342 pages, illustrations. BIC Classification: PBF. Category: (G) General (US: Trade). Dimension: 261 x 182 x 22. Weight in Grams: 776.
- Format
- Hardback
- Publication date
- 2013
- Publisher
- American Mathematical Society United States
- Condition
- New
- SKU
- V9780821898468
- ISBN
- 9780821898468
Hardback
Condition: New
€ 181.33
€ 181.33
Hardcover. Part of the ""AMS in the Graduate Studies in Mathematics"" series, this volume focuses on the qualitative theory of foliations. It explains the fundamental definitions and theorems to prepare the reader for further exploration of the topic. It considers foliations of codimension one, and also deals with foliations of higher codimension. Series: Graduate Studies in Mathematics. Num Pages: 394 pages, illustrations. BIC Classification: PBPH. Category: (P) Professional & Vocational. Dimension: 261 x 183 x 26. Weight in Grams: 938.
- Publisher
- American Mathematical Society
- Format
- Hardback
- Publication date
- 1999
- Condition
- New
- SKU
- V9780821808092
- ISBN
- 9780821808092
Hardback
Condition: New
€ 139.50
€ 139.50
Hardcover. .
- Publisher
- Amer Mathematical Society
- Format
- Hardback
- Publication date
- 2003
- Condition
- New
- SKU
- V9780821808818
- ISBN
- 9780821808818
Hardback
Condition: New
€ 143.96€ 88.01
€ 143.96
€ 88.01
Paperback. Num Pages: 288 pages, 32 line illus. BIC Classification: PBF; PBX; PDZ. Category: (G) General (US: Trade). Dimension: 233 x 158 x 15. Weight in Grams: 404.
- Publisher
- Princeton University Press United States
- Number of pages
- 288
- Format
- Paperback
- Publication date
- 2014
- Condition
- New
- SKU
- V9780691133911
- ISBN
- 9780691133911
Paperback
Condition: New
€ 33.96
€ 33.96
Paperback.
- Format
- Paperback
- Publication date
- 2004
- Publisher
- SIAM: Society for Industrial and Applied Mathematics
- Edition
- 1st Edition
- Number of pages
- 352
- Condition
- New
- SKU
- V9780898715729
- ISBN
- 9780898715729
Paperback
Condition: New
€ 171.78
€ 171.78
Hardcover. Editor(s): Baswell, Albert R. BIC Classification: PB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 259 x 188 x 19. Weight in Grams: 654.
- Publisher
- Nova Science Publishers Inc United States
- Format
- Hardback
- Publication date
- 2012
- Edition
- UK ed.
- Condition
- New
- SKU
- V9781617618994
- ISBN
- 9781617618994
Hardback
Condition: New
€ 176.95€ 118.89
€ 176.95
€ 118.89
Hardcover. Num Pages: 370 pages, tables, charts & illus. BIC Classification: PB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 260 x 184 x 29. Weight in Grams: 960.
- Format
- Hardback
- Publication date
- 2008
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 370
- Condition
- New
- SKU
- V9781604564549
- ISBN
- 9781604564549
Hardback
Condition: New
€ 202.73€ 135.75
€ 202.73
€ 135.75
Hardcover. Editor(s): Baswell, Albert R. Num Pages: 345 pages, tables, charts & illus. BIC Classification: PB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 268 x 187 x 30. Weight in Grams: 948.
- Format
- Hardback
- Publication date
- 2009
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 345
- Condition
- New
- SKU
- V9781606921791
- ISBN
- 9781606921791
Hardback
Condition: New
€ 202.73€ 135.75
€ 202.73
€ 135.75
Hardback. Num Pages: 190 pages. BIC Classification: PB. Category: (UP) Postgraduate, Research & Scholarly. Dimension: 260 x 180. Weight in Grams: 558.
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 190
- Format
- Hardback
- Publication date
- 2015
- Edition
- UK ed.
- Condition
- New
- SKU
- V9781634827416
- ISBN
- 9781634827416
Hardback
Condition: New
€ 285.94€ 208.88
€ 285.94
€ 208.88
Hardcover. Editor(s): Baswell, Albert R. BIC Classification: PB. Category: (P) Professional & Vocational. Dimension: 256 x 178 x 33. Weight in Grams: 1060.
- Format
- Hardback
- Publication date
- 2011
- Publisher
- Nova Science Publishers Inc United States
- Condition
- New
- SKU
- V9781613241790
- ISBN
- 9781613241790
Hardback
Condition: New
€ 290.62€ 198.23
€ 290.62
€ 198.23
Hardcover. Editor(s): Baswell, Albert R. Num Pages: 158 pages. BIC Classification: PB. Category: (UP) Postgraduate, Research & Scholarly. Dimension: 262 x 185 x 17. Weight in Grams: 526.
- Format
- Hardback
- Publication date
- 2015
- Publisher
- Nova Science Pub Inc
- Condition
- New
- SKU
- V9781634820189
- ISBN
- 9781634820189
Hardback
Condition: New
€ 239.06€ 175.14
€ 239.06
€ 175.14
Hardback. Editor(s): Baswell, Albert R. Num Pages: 313 pages. BIC Classification: PB. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 257 x 183 x 24. Weight in Grams: 774.
- Publisher
- Nova Science Publishers Inc United States
- Number of pages
- 313
- Format
- Hardback
- Publication date
- 2013
- Edition
- UK ed.
- Condition
- New
- SKU
- V9781624179303
- ISBN
- 9781624179303
Hardback
Condition: New
€ 249.61€ 166.41
€ 249.61
€ 166.41
Paperback. Series: Developing Essential Understanding. Num Pages: 84 pages, illustrations. BIC Classification: JNFG; JNT; JNU; PB. Category: (G) General (US: Trade). Dimension: 229 x 152. .
- Publisher
- National Council of Teachers of Mathematics
- Format
- Paperback
- Publication date
- 2011
- Edition
- First
- Condition
- New
- SKU
- V9780873536677
- ISBN
- 9780873536677
Paperback
Condition: New
€ 54.28
€ 54.28
hardcover. Presents an approach to analytically determine periodic flows to chaos or quasi-periodic flows in nonlinear dynamical systems with/without time-delay. This title covers the mathematical theory and includes two examples of nonlinear systems with/without time-delay in engineering and physics. Num Pages: 268 pages, illustrations. BIC Classification: PBWR. Category: (P) Professional & Vocational. Dimension: 251 x 168 x 18. Weight in Grams: 566.
- Format
- Hardback
- Publication date
- 2014
- Publisher
- John Wiley & Sons Inc United States
- Edition
- 1st Edition
- Number of pages
- 268
- Condition
- New
- SKU
- V9781118658611
- ISBN
- 9781118658611
Hardback
Condition: New
€ 136.15
€ 136.15
Hardback. Albert Lautman (1908-1944) was a French philosopher of mathematics whose work played a crucial role in the history of contemporary French philosophy. This title collects the work of Lautman. It offers readers an insight into his influence on the development of mathematics and philosophy. Translator(s): Duffy, Simon. Num Pages: 336 pages, Illustrations. BIC Classification: PBB. Category: (G) General (US: Trade); (UP) Postgraduate, Research & Scholarly; (UU) Undergraduate. Dimension: 200 x 134 x 25. Weight in Grams: 456.
- Publisher
- Continuum Publishing Corporation
- Number of pages
- 336
- Format
- Hardback
- Publication date
- 2011
- Edition
- 1st Edition
- Condition
- New
- SKU
- V9781441146564
- ISBN
- 9781441146564
Hardback
Condition: New
€ 163.86€ 120.50
€ 163.86
€ 120.50