diff --git a/packages/dim-si/README.md b/packages/dim-si/README.md
index 23d659c..b50047f 100644
--- a/packages/dim-si/README.md
+++ b/packages/dim-si/README.md
@@ -22,15 +22,25 @@ bunx jsr add @isentropic/dim-si
 
 ```typescript
 import { kilometer, meter } from "@isentropic/dim-si/length";
+import { kilogram } from "@isentropic/dim-si/mass";
 import { hour } from "@isentropic/dim-si/time";
+import { meterPerSecond } from "@isentropic/dim-si/velocity";
+import { meterPerSecondSquared } from "@isentropic/dim-si/acceleration";
+import { newton } from "@isentropic/dim-si/force";
 import { celsius, kelvin } from "@isentropic/dim-si/temperature";
-import { q, valueIn } from "@isentropic/dim-si/ops";
+import { q } from "@isentropic/dim-si/ops";
+
+// Division produces velocity
+q(kilometer(100)).div(hour(2)).in(meterPerSecond); // ~13.89
 
-const speed = q(kilometer(100)).div(hour(2));
-const total = q(kilometer(5)).plus(meter(500));
+// Multiplication produces force (F = ma)
+q(kilogram(80)).times(meterPerSecondSquared(9.81)).in(newton); // 784.8
 
-valueIn(total, meter); // 5500
-valueIn(total, kilometer); // 5.5
+// Addition with unit conversion
+q(kilometer(5)).plus(meter(500)).in(kilometer); // 5.5
+
+// Scaling
+q(meter(3)).scale(2).in(meter); // 6
 
 // Dimension mismatches are compile errors
 q(kilometer(5)).plus(hour(1)); // Error: can't add length and time
@@ -41,15 +51,8 @@ q(celsius(100)).minus(celsius(0)).in(kelvin); // 100 (linear delta)
 q(celsius(20)).plus(celsius.delta(5)).in(celsius); // 25
 ```
 
-Free functions (`add`, `subtract`, `multiply`, `divide`, `scale`) are also
-available:
-
-```typescript
-import { add, divide } from "@isentropic/dim-si/ops";
-
-const total = add(kilometer(5), meter(500));
-const speed = divide(kilometer(100), hour(2));
-```
+Free functions (`add`, `subtract`, `multiply`, `divide`, `scale`, `valueIn`) are
+also available for a non-chaining style.
 
 ## Units