> For the complete documentation index, see [llms.txt](https://pennyworth-faq.swalloworkstudio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pennyworth-faq.swalloworkstudio.com/readme.md).

# FAQ

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[How to modify and delete categories?](/how-to-modify-category.md)
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[Can categories be organized into main and subcategories?](/how-to-organize-categories-into-main-subcategories.md)
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[How to reorder accounts？](/how-to-reorder-accounts.md)
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[How to add custom accounts?](/how-to-add-custom-accounts.md)
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[Can I set up two accounting books, one for my personal finances and another for my business?](/how-to-manage-mutiple-accounting-books.md)
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[How to search expenses by category or amount range？](/how-to-search-by-category.md)
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[How are net assets, debts, and total assets calculated？](/how-are-net-assets-calculated.md)
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[How to set the initial balance for an account?](/how-to-set-initial-balance.md)
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[How to account in foreign currency?](/how-to-account-in-foreign-currency.md)
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[The base currency has been changed to AUD, but the app still shows amounts in USD](/how-to-account-in-aud.md)
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[How should I record credit card expenses？](/how-to-record-cradit-card-expenses.md)
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[How to set up automatic repayment for credit cards？](/how-to-setup-auto-repayment-credit-cards.md)
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[How to set up credit card installments?](/how-to-setup-credit-card-installments.md)
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[What charts are available besides the Expense Pie Chart?](/charts-besides-expense-pie-chart.md)
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[How to view the spending trend of an individual category?](/how-to-view-individual-category-trends.md)
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[Why are some expense data not showing in the charts?](/why-some-expense-not-showing.md)
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[Is it possible to recover a deleted account book?](/recover-deleted-book.md)
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[How to set passcode lock for the app?](/how-to-set-lock.md)
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[How to use Face ID?](/how-to-use-faceid.md)
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[What to do if I forget the Pattern Lock?](/what-to-do-if-forget-pattern-lock.md)
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[How can I transfer my data to a new phone?](/how-to-transfer-data-to-new-phone.md)
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[How to transfer data to an Android phone?](/how-to-transfer-data-to-android.md)
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[How to export photos?](/how-to-export-photos.md)
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[How to resolve CSV export failure?](/how-to-resolve-csv-export-fail.md)
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[How to fix Backup Failed.Error:"kakeiboData.zip" couldn't be moved to "Documents"](/how-to-fix-backup-error.md)
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[Why do Ads still appear after purchasing Remove Ads?](/why-do-ads-still-appear.md)
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[What to do if the app cannot be launched after updating?](/how-to-fix-launch-issue.md)
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