Ultimate Desk Calculator app for iPhone and iPad

Ultimate Desk Calc is a full featured desk calculator. It follows all the conventions of an office calculator and uses infinite precision arithmetic. Also has large easy to read display and big buttons.

- In infinite precision mode there are no rounding errors.
- Decimal place selector. Set the number of decimal places displayed from 0 to 50 digits.
- Rounding selector. Instead of infinite precision, Ultimate Desk Calc can also use standard rounding modes, round down, round 5/4, ADD2.
- Grand Total (GT) feature keeps a running total.
- ADD2 mode allow quicker entry of currency values.
- 4 key memory. Memory plus, memory subtract, mem remember, mem clear.
- TAX calculation gives the price plus/minus tax and the tax amount according to a pre-set tax rate.
- Currency calculation. Convert from local to foreign currency according to a pre-set exchange rate.
- Percentage key.
- Square Root key. Accurate to about 30 digits.
- Copy and paste values from Ultimate Desk Calculator to other apps. Paste values into the UDC display.