PentaCalac is a calculator program the most powerful calculator program said by Headgate Studios. It features creating your own calculators and buttons. the calculator is compatible with windows 3.1, 95, 98, me, 2000, XP, Vista, 7, 8 and 10 it supports 16bit 32bit and 64bit. The starting price is $40.00 USD it is a download which means you don't have to wait for postage

Calculators included

10 key



bond calculator

Depreciation Calculator

time value cash flow

unit conversions

programming calculator

statistics calculator and

Windows Graphing Calculator