
Archived App (Last seen on 25 Jul 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Smart Calculator
It is a general purpose calculator to compute percent tax, profit, loss and discount.
It is also good for student to cross check answer for a common equation to compute area, volume and other units and equations by hand.
Sales Calculator
Tax Calculator
Percent Calculator
Profit Calculator
Discount Calculator
Memory:
M+ add to memory
M- subtract from memory
MC clear memory
MR recall from memory
Operator Precedence:
Highest: ( ) (parenthesis)
Higher : ^ (power)
High: * (multiply), / (division), mod (remainder)
Low: + (plus), - (minus)
Equation and Result display
Equation: 3x(4+5)-6^2+9/3
Tap: =
Result: -6
Equation become: 3x(4+5)-6^2+9/3 = -6
Tap: 2 x Pi x 10
Equation: 2x3.14x10
Tap: =
Result: 62.80
Equation: 2x3.14x10 = 62.80
AC: Clear equation and result to 0
Pi: 3.14
Percent Calculation
Enter % for calculation, e.g 7%
Enter number, e.g. 500
Equation: 500
Tap M+ to store number (500) in memory.
Tap % button (compute 7% of 500)
Result: 35 (500*7%)
Tap AC to reset equation and result to 0.
Tap MR button (memory recall)
Equation: 500
Tap +% button (compute 500 + 7% of 500)
Result: 535 (500+500*7%)
Tap AC to reset equation and result to 0.
Tap MR button (memory recall)
Equation: 500
Tap -% button (compute 500 - 7% of 500)
Result: 465 (500-500*7%)
Tap AC to reset equation and result to 0.
Tap MR button (memory recall)
Equation: 500
Tap -vat button (computer value without tax, remove tax from 500)
Result: 467.29 (500*100/(7+100))
in other word: 467.29+467.29*7% = 500
Power of number: compute x^y
equation: 2^16
result: 65536
Discount: total price 1250 and discount 15%, find discount price.
enter percent: 15
equation: 1250
tap: -%
result: 1062.5
Profit: capital 2000, profit 25%, find total return amount.
enter percent: 25
equation: 2000
tap: +%
result: 2500
Value without tax: total price 1250 include 7% tax find price without tax.
enter percent: 7
equation: 1250
tap: -vat
result: 1168.22
Mod: find the remainder of division
equation: 50mod9
result: 5
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What's New in Smart Percent Tax Calculator
1.0.1
October 25, 2020
improve user experience. improve calculation result display. bug fixed.
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