TI-30X IIS Calculator Online Free

Free TI-30X IIS two-line scientific calculator online. EOS™ expression entry, fractions, trig, logs and 2-Var stats — right in your browser.

Not affiliated with Texas Instruments. Independently developed simulator.

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Free TI-30X IIS Scientific Calculator Online

The TI-30X IIS is one of the most widely used scientific calculators in U.S. classrooms — a two-line display model that shows the expression you typed and the result at the same time. This free online TI-30XIIS calculator simulator gives you the same EOS™ expression-entry behavior in your browser.

TI-30X IIS vs TI-30XA vs TI-30XS MultiView

Feature TI-30XA TI-30X IIS TI-30XS MV
Display lines124
Edit previous expressionNoYesYes
Natural math displayNoNoYes
Fraction entrya b/ca b/cn/d
GED / SAT / ACTYesYesYes
Typical price~$10-15~$12-18~$15-20

What can this TI-30XIIS online calculator do?

  • EOS™ entry — type the whole expression on the top line, see the result on the bottom line
  • Scroll back & edit — press ← or → to fix the previous expression instead of retyping
  • Fractions — a b/c entry, mixed-number / improper toggle, F↔D conversion
  • Trig — sin, cos, tan, sin⁻¹, cos⁻¹, tan⁻¹ in DEG / RAD / GRAD
  • Logs / exponentials — log, ln, 10^x, e^x
  • Scientific notation — EE key
  • Statistics — 1-Var and 2-Var stats with regression
  • Memory — STO / RCL up to 7 variables
  • Combinatorics — nPr, nCr

How to scroll back and edit on the TI-30X IIS

  1. After pressing ENTER, your expression stays on the top line.
  2. Press the ← or → arrow to move the cursor into the previous expression.
  3. Type new characters to insert, or press DEL to remove.
  4. Press ENTER again — the new result appears below.
Disclaimer: Independently developed scientific calculator simulator. Not made by, endorsed by, or affiliated with Texas Instruments Incorporated. TI-30X IIS, TI-30XS MultiView, EOS and MathPrint are trademarks of Texas Instruments Incorporated, used here solely under (nominative fair use). This simulator was built from scratch and does not contain any Texas Instruments software, firmware, or code.

Frequently Asked Questions

Is there a free TI-30XIIS calculator online?▼

Yes. This free TI-30X IIS simulator runs in your browser with two-line EOS™ entry — no install, no sign-up.

TI-30X IIS vs TI-30XS MultiView — which should I use?▼

If your textbook shows stacked fractions or exponents in natural form, use the TI-30XS MultiView. If your class uses the two-line TI-30X IIS, stay here for the same keystroke flow.

Is the TI-30XIIS allowed on the SAT, ACT or GED?▼

Yes — the physical TI-30X IIS is approved on the SAT, ACT, PSAT, AP, GED, GRE Subject Math and almost every U.S. standardized test.

Can the TI-30X IIS do fractions?▼

Yes — press a b/c between numerator and denominator. For mixed numbers, use whole → a b/c → numerator → a b/c → denominator.

Does this work on my phone?▼

Yes — responsive on iPhone, Android, iPad, Chromebook and all desktop browsers.