diff --git a/tests/calculator.cjs b/tests/calculator.cjs
deleted file mode 100644
index 5dce37c..0000000
--- a/tests/calculator.cjs
+++ /dev/null
@@ -1,42 +0,0 @@
-const fs = require('node:fs');
-const vm = require('node:vm');
-const assert = require('node:assert/strict');
-const ux = fs.readFileSync('src/pages/index/index.ux', 'utf8');
-const script = ux.match(/<script>([\s\S]*?)<\/script>/)[1];
-function page() {
-  const spec = vm.runInNewContext(script.replace('export default', 'globalThis.spec =') + '\nspec');
-  return Object.assign({}, spec.private, spec);
-}
-const p = page();
-assert.equal(typeof p.press, 'function', 'Keypress handler must exist');
-['2','+','3','='].forEach(k => p.press(k));
-assert.equal(p.display, '5');
-console.log('PASS addition through page keypress handler');
-const cases = [
- ['subtract',['9','-','4','='],'5'],
- ['multiply',['6','x','7','='],'42'],
- ['divide',['8','/','2','='],'4'],
- ['decimals',['0','.','1','+','0','.','2','='],'0.3'],
- ['duplicate dot',['1','.','.','2'],'1.2'],
- ['sign',['5','+/-','x','2','='],'-10'],
- ['percent',['5','0','%'],'0.5'],
- ['percent add',['2','0','0','+','1','0','%','='],'220'],
- ['percent multiply',['2','0','0','x','1','0','%','='],'20'],
- ['clear',['9','+','AC','2','='],'2'],
- ['zero division',['8','/','0','='],'Error'],
- ['recover',['8','/','0','=','3'],'3'],
- ['chain',['2','+','3','x','4','='],'20'],
- ['replace operator',['2','+','x','3','='],'6'],
- ['repeat equals',['2','+','3','=','=', '='],'11'],
- ['fresh entry',['2','+','3','=','7'],'7'],
- ['input cap',Array(20).fill('9'),'999999999'],
- ['leading zero',['0','0','2'],'2']
-];
-for(const [name,keys,expected] of cases) {
- const c=page(); keys.forEach(k=>c.press(k)); assert.equal(c.display,expected,name);
-}
-assert.match(ux, /\{\{ display \}\}/);
-const keys=[...ux.matchAll(/<text[^>]*onclick="press\('([^']+)'\)"/g)].map(m=>m[1]);
-assert.equal(keys.length,19,'every button must have handler');
-assert.equal(new Set(keys).size,19);
-console.log('PASS',cases.length,'edge cases and all 19 button bindings');