20 Most Recent Texas Instruments TI-83 Plus Calculator - Page 6 Questions & Answers

Make sure you have the proper angle mode set. Press MODE and check the third line.

If you want the equality conditional, press 2ND [TEST] 1 If you simply want to evaluate an expression, press ENTER

Use the (-) key just to the right of the decimal point key.

The LN button is just to the left of the 4 button.

TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible. If the screen remains blank then please respond to this post and we'll go from there.

2,250

If you mean the fifth root, use the xth-root function (MATH 5). For example, to calculate the fifth root of 32, press 5 MATH 5 3 2 ENTER

About 3.54 cm (the square root of 12.5).

One English ounce is about 28.35 grams. One troy ounce is about 31.10 grams.

200 grams is about 7.05 ounces.

One English ounce is about 28.35 grams. One troy ounce is about 31.10 grams.

That depends on what you mean by "ounce" and "pound." There are twelve (12) troy ounces in a troy pound. There are sixteen (16) English ounces in an English pound.

That depends on what you mean by "ounce" and "pound." There are twelve (12) troy ounces in a troy pound. There are sixteen (16) English ounces in an English pound.

20 grams is about 0.705 English ounces or about 0.643 troy ounces.

50 grams is about 1.76 English ounces or about 1.61 troy ounces.

One US ounce is about 29.57 milliliters. One UK ounce is about 28.41 milliliters.

Press 1 1 0 0 0 (without the comma). The TI83 uses commas to separate two items, not as a thousands separator.

Isn't it showing you 1.162084E10 ? This means 1.162084 * 10^10 or 11620840000, which is expected and correct. This number has eleven digits, while the TI83 can only show you ten, so it's switching automatically to scientific notation.

It means you got a result whose magnitude is greater than 10^100