Update

sqrt.md

@@ -26,7 +26,33 @@ Here is the graph of square root [function](function.md) (notice it's a [parabol
       |
 ```
 
-TODO
+A table of a few values may come handy as well:
+
+| *x*   |  ~sqrt(x)  |
+| ----- | ---------- |
+| 0     | 0          |
+| 0.5   | 0.70710... |
+| 1     | 1          |
+| 1.5   | 1.22474... |
+| 2     | 1.41421... |
+| 2.5   | 1.58113... |
+| 3     | 1.73205... |
+| 3.5   | 1.87082... |
+| 4     | 2          |
+| 4.5   | 2.12132... |
+| 5     | 2.23606... |
+| 5.5   | 2.34520... |
+| 6     | 2.44949... |
+| 6.5   | 2.54951... |
+| 7     | 2.64575... |
+| 7.5   | 2.73861... |
+| 8     | 2.82842... |
+| 8.5   | 2.91547... |
+| 9     | 3          |
+| 9.5   | 3.08220... |
+| 10    | 3.16227... |
+
+TODO: more
 
 ## Programming
 
@@ -114,3 +140,9 @@ int32_t sqrtApprox(int32_t x)
        (-75000000 / (x + 160000) + x / 2048 + 565));
 }
 ```
+
+## See Also
+
+- [logarithm](log.md)
+- [pow](pow.md)
+- [sine](sin.md)/[cosine](cos.md)