Casio FX-9750GIIWE-L-IH User Guide - Page 198
Compound Interest
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After configuring the parameters, use one of the function menus noted below to perform the corresponding calculation. • {SI} ... {simple interest} • {SFV} ... {simple future value} • An error (Ma ERROR) occurs if parameters are not configured correctly. Use the following function menus to maneuver between calculation result screens. • {REPT} ... {parameter input screen} • {GRPH} ... {draws graph} After drawing a graph, you can press (TRCE) to turn on trace and read calculation results along the graph. Each press of C while trace is turned on cycles the displayed value in the sequence: present value (PV) m simple interest (SI) m simple future value (SFV). Pressing B cycles in the reverse direction. Press ) to return to the parameter input screen. 3. Compound Interest This calculator uses the following standard formulas to calculate compound interest. S PV, PMT, FV, n I%x0 PV = - ( PMT + FV) FV = - PV + PMT I%0 39 ï307ðQ)9 )9 ï307sQ39 α = (1+ i × S) × 1 1 + i) -n i { 0 .........Payment : End (Setup Screen) S = 1 .........Payment : Begin (Setup Screen) PMT = - PV + FV { } log (1+ iS) × PMT - FV × i (1+ iS) × PMT + PV × i n = log (1+ i) PMT = - PV + FV n n = - PV + FV PMT { I% 100 (P/Y = C/Y = 1) i = C/Y (1+ I% )P/Y -1..... (Other than 100 × [C/Y ] those above) 7-3