![](http://www.alamy.com/thumbs/6/14FE1A17-5C89-438A-A06B-5763155D652A/2WTYC9B.jpg)
Texas Intruments calculater on top of a math book
Size: 4500px × 2989px
Photo credit: © Torontonian / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: book, calculator, education, electronic, electronics, finance, financial, instruments, math, mathematics, people, scientific, texas, text, tool