Open a calculator page. Enter the following and press enter.
- 2+7
- 2−7
- 2⋅7
- 2÷7
- 27 (press ctrl then ÷ to enter fractions)
Display Digits
To change the number of digits displayed for answers,
- doc ▾ > "7 Settings & Status" > "2 Document Settings..."
Change "Display Digits" to "Float 6"
This will give answers to 6 significant figures. Use "Float 6" for the rest of this page.
Fractions and Decimals
The calculator gives exact answers (as fractions). To return a decimal approximation,
Enter the value shown on your calculator:
To approximate a decimal to a fraction,
- press menu > "2 Number" > "2 Approximate to Fraction"
Convert
0.4375 to a fraction and enter it here:
Brackets, Negatives, Exponents and Roots
Calculate the following:
- −3−3 (The first − is negative (-). The second − is subtract -)
- −3−(−3)
- −3(−3)
- −32
- (−3)2
- (−3)3 (^ for exponents)
- √3
- √−3= Error: Non-real calculation
- 3√3
Calculate
3−3−3√3(3√3)−3(−3)=
Copying and modifying previous calculations
Calculate
6+√(−6)2−4(3)(2)2(3)=
To reuse this calculation,
- Press ▴ until you highlight 6+√(−6)2−4(3)(2)2(3), then press enter
- Change the + into a − by pressing ◂, deleting + and replacing it with −
Follow these steps to calculate
6−√(−6)2−4(3)(2)2(3)=
To clear the history,
- press menu > "1 Actions" > "5 Clear History"