Stem and Leaf Plot
This calculator allows you to create a special table where each data value is split into a stem (the first digit or digits) and a leaf (usually the last digit).
Instructions
Type or paste your data in the text box. Separate values with spaces, commas, tabs, or line breaks, then press Calculate to create the plot.
The stem contains all digits except the final digit, and the leaf is the final digit. The calculator sorts the values and leaves automatically.
Input:
12, 14, 15 21 22 24 31, 32
Result:
Stem | Leaves 1 | 2 4 5 2 | 1 2 4 3 | 1 2
Key: 1 | 2 = 12
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Explanations
A stem-and-leaf plot organizes numbers by splitting each value into a stem and a leaf.
The stem contains all digits except the final digit, and the leaf is the final digit. For example, 12 has stem 1 and leaf 2.
The calculator sorts the values and leaves automatically, then groups matching stems into rows.
Stem-and-Leaf Plot FAQs
What does the key mean?
The key shows how to read the plot. For example, 1 | 2 = 12, so the stem and leaf combine to reconstruct the original value.
Do I need to sort the numbers first?
No. The calculator sorts the data and the leaves automatically.
How should I separate the values?
Spaces, commas, tabs, and line breaks are accepted.
Can I enter duplicate values?
Yes. Repeated leaves show how often a value occurs.
What happens if I enter text or an invalid value?
The calculator displays an error identifying the invalid entry so it can be corrected.
Why are there sometimes missing stems?
Only stems represented in the data are shown. Unused groups may be omitted.
About
Stem and Leaf Plot
Version: 0.1
Author: Calculator team