This warranty will not apply if the product has been mis- used, abused, or altered. Without limiting the foregoing, battery leakage, bending of the unit, a broken display tube, floppy disk drive recalibra- tions, and any cracks in the LCD display will be presumed to have resulted from misuse or abuse. To obtain warranty service you must take or send the product, postage paid, with a copy of your sales receipt or other proof of purchase and the date of purchase, to a CASIO Autho- rized Service Ce

TVM is the Financial Mode on the calculator. However, Financial Mathematics questions can also be performed in RUN, EQUA and SSHT modes. TVM is fantastic for investigating financial scenarios and is very easy to use when dealing with annuity investment and loan scenarios. However, it is important to realize TVM is essentially a 'black-box' … a number-in, number-out 'machine' . It is therefore mathematically wise to expose students to using at least RUN and EQUA in addition to TVM when dealing wi