Simple Formulas

How to make 7x^2+5(x+3)>1 to look like \(7x^2+5(x+3)>1\)
Step 1: Highlight 7x^2+5(x+3)>1;
Step 2: Press m button.

Fractions

How to make (x+3)/(x+5)>0 to look like \(\frac{x+3}{x+5}>0\):
Step 1: Highlight the fraction (x+3)/(x+5);
Step 2: Press fraction button;
Step 3: Now, highlight the whole expression and press m button.

Square roots

How to make (x+5)^(1/2)<17^(1/2) to look like \(\sqrt{x+5}<\sqrt{17}\):
Step 1: Highlight x+5 and press square_root button, then highlight 17 and press square_root button again;
Step 2: Now, highlight the whole expression and press m button.

Other Useful Symbols

Another Way of Writing Fractions:
How to make (a+b)/c to look like \(\frac{a+b}{c}\)
Step 1: Write \frac{a+b}{c}, (note that numerator and denominator must be enclosed in { } and you must write out \frac to tell the system that it is a fraction);
Step 2. Highlight the whole expression and press m button.

Exponents
How to make x^12 to look like \(x^{12}\)
Step 1: Write x^{12}, (note that multi-digit powers must be enclosed in { });
Step 2. Highlight the whole expression and press m button.

Roots
How to make 3rd root of x^2 to look like \(\sqrt[3]{x^2}\)
Step 1: Write \sqrt[3]{x^2}, (note that 3 must be enclosed in [ ] and 2 must be enclosed in { });
Step 2. Highlight the whole expression and press m button.

Inequalities
\(x\approx{3}\): write x\approx{3} and press m button (note that 3 must be enclosed in { }).
\(x\leq5\): write x\leq{5} and press m button.
\(x\geq3\): write x\geq{3} and press m button.
\(x\neq0\): write x\neq{0} and press m button.

Subscript
\(x_1\): write x_1 and press m button. If a subscript is more than one-digit number, for example \(x_{15}\) then write x_{15} and press m button (note that such kind of subscripts must be enclosed in { }).

Geometry
\(\pi\): write \pi and press m button;
\(\angle\): write \angle and press m button;
\(90^{\circ}\): write 90^{\circ} and press m button;
\(\alpha\): write \alpha and press m button;
\(\triangle\): write \triangle and press m button.