Executive Summary
Concise statement of purpose, key numeric conclusions, and overall result so decision makers can scan without reviewing line-by-line details.
A well-structured calculation document increases transparency, reduces disputes, and speeds approval by showing inputs, formulas, and assumptions. It supports auditability, helps identify errors early, and creates a single source of truth for decisions tied to numbers.
Typical preparers and reviewers vary by function and use case; see common roles below.
Assign reviewers early and match signatory authority to the transaction value to avoid rework and approval delays.
Concise statement of purpose, key numeric conclusions, and overall result so decision makers can scan without reviewing line-by-line details.
List every assumption, data source, and date. Cite the origin of rates, index values, or third-party reports used in the calculations.
Present each calculation step with inputs, formula shown, and resulting value so reviewers can validate arithmetic and logic.
Show alternative scenarios with key variable changes and resulting outcome ranges to demonstrate how results move under different assumptions.
Attach worksheets, rate tables, amortization schedules, unit-cost breakdowns, and reconciliations that feed the summary totals.
Designation of preparer, reviewer, and approver with dated signature blocks or eSign records indicating acceptance of assumptions and calculations.
| Field | Configuration |
|---|---|
| Authentication | Email link or SMS code for signer identity |
| Conditional Fields | Show or hide items based on prior responses |
| Formula Fields | Automate totals and ratios to prevent manual errors |
| Bulk Send | Use for distribution to many recipients |
Confirm platform compatibility, file formats, and authentication needs before sending.
Ensure recipients can open and sign on desktop or mobile; set required authentication level for higher-risk transactions.
3 business days for finance sign-off
7 calendar days recommended for signatures
Submit final document within 30 days
Allow 14 days for agreed revisions
Retain calculations ahead of filing deadlines
Preparer compiles inputs and completes calculations.
Accounting and legal verify assumptions and accuracy.
Authorized signatory reviews and approves final figures.
Document is signed and distributed with audit trail.
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting Price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free Trial | 7-day free trial | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
| Envelope Cap | No cap | 100 envelopes/user/year | Varies | Varies | Varies |
Optica standardized calculation templates for investor reporting to reduce reviewer time and errors.
Martin Properties uses online calculation schedules to attach to lease proposals for transparency.