Word Counter

Binary Bayes update: prior P(H), hit = P(E|H), miss = P(E|¬H) → posterior P(H|E). Inputs are probabilities 0–1.

bayes_update

Compute C(n, k) — n choose k.

combinations

Count two text versions (before and after) and return the delta in words, characters, sentences, and paragraphs. Use when the user asks how much they added, removed, or changed between drafts.

compare_text

WCAG contrast ratio for foreground/background hex colors, with AA/AAA flags.

contrast_ratio

Count words, characters, characters without spaces, sentences, paragraphs, reading time, speaking time, and page estimate in text. Opens an interactive editor widget where the user can type or paste and see live counts alongside the chat. Use when the user asks to count words, characters, sentences, paragraphs, reading time, or check a word limit in a draft, essay, or passage.

count_text

Return a deep link to the full offline word counter at ibm.io/wordcount with optional draft text and word goal. Use when the user wants to edit, set a word goal, use voice dictation, or count privately in the browser.

open_full_counter

Open the interactive word counter editor in chat with an optional starting draft and word goal. The user can type, paste, and edit while counts update live. Use when they want to write or revise text with a word counter, not just a one-shot count of text they already pasted in chat.

open_word_counter

Distance × pace (min per unit) → ETA hours, or solve for required pace given a finish time in hours.

pace_eta

Parse a duration string like 5:00, 1:05:30, 25m, or 90 into milliseconds and a clock string. Use for time math and limits.

parse_duration

Compute tax and tip from a subtotal. Tip can apply to pre-tax subtotal or to the tax-inclusive total.

tax_tip